import auth from "@/plugins/auth";
import { defineStore } from "pinia";
import router, { constantRoutes, dynamicRoutes } from "@/router/index.js";
import Layout from '../../layout/compontents/index.vue'
import { getRouters } from "@/api/menu.js";
//动态匹配路由文件
const modules = import.meta.glob("./../../view/**/*.vue");

export const usePermissionStore = defineStore("permission", {
  state: () => ({
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    //菜单路由
    sidebarRouters: [],
    indexPage: "",
  }),
  actions: {
    //基础路由合并动态路由
    setRoutes(routes) {
      this.addRoutes = routes;
      this.routes = constantRoutes.concat(routes);
    },
    setDefaultRoutes(routes) {
      this.defaultRoutes = constantRoutes.concat(routes);
    },
    setTopbarRoutes(routes) {
      this.topbarRouters = routes;
    },
    //当前页面路由
    setIndexPages(routes) {
      this.indexPage = routes;
    },
    setSidebarRouters(routes) {
      this.sidebarRouters = routes;
    },
    //权限动态路由处理
    generateRoutes(roles) {
      return new Promise((resolve) => {
        // 向后端请求路由数据
        getRouters().then((res) => {
          

          if (
            res.data.length &&
            res.data[0].children &&
            res.data[0].children.length
          ) {
            res.data[0].children[0].meta.affix = true;
          }

          const sdata = JSON.parse(JSON.stringify(res.data));
          const rdata = JSON.parse(JSON.stringify(res.data));
          const defaultData = JSON.parse(JSON.stringify(res.data));
             const indexdata =
               res.data[0].path + "/" + res.data[0].children[0].path;
          // let firstPage = "";
          // //如果有首页，就用首页，没有就用第一个
          // if (res.data[0].path == "/") {
          //   firstPage = res.data[0].path + res.data[0].children[0].path;
          // } else {
          //   firstPage = res.data[0].path + "/" + res.data[0].children[0].path;
          // }
          const sidebarRoutes = filterAsyncRouter(sdata);
         

          const rewriteRoutes = filterAsyncRouter(rdata, false, true);
          console.log(rewriteRoutes, "拷贝处理后有子路由");
          
          const defaultRoutes = filterAsyncRouter(defaultData);
          //路由权限判断
          const asyncRoutes = filterDynamicRoutes(dynamicRoutes);
        
          asyncRoutes.forEach((route) => {
            router.addRoute(route);
          });
          
          this.setRoutes(rewriteRoutes);
          this.setSidebarRouters(constantRoutes.concat(sidebarRoutes));
         
          
          this.setDefaultRoutes(sidebarRoutes);
          this.setTopbarRoutes(defaultRoutes);
          this.setIndexPages(indexdata);
          resolve(rewriteRoutes);
        });
      });
    },
  },
});
// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {

  
  return asyncRouterMap.filter((route) => {
    if (type && route.children) {
      route.children = filterChildren(route.children);
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else {


        
        route.component = loadView(route.component);

     
        
      }
    }
    //路由有下级
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type);
    } else {
      delete route["children"];
      delete route["redirect"];
    }
    return true;
  });
}
//处理有子路由的router
function filterChildren(childrenMap, lastRouter = false) {
  
  
  var children = [];
  childrenMap.forEach((el, index) => {
    
    
    if (el.children && el.children.length) {
      if (el.component === "ParentView" && !lastRouter) {
        el.children.forEach((c) => {
          c.path = el.path + "/" + c.path;
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c));
            return;
          }
          children.push(c);
        });
        return;
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + "/" + el.path;
      if (el.children && el.children.length) {
        children = children.concat(filterChildren(el.children, el));
        return;
      }
    }
    children = children.concat(el);
  });
  return children;
}

export function filterDynamicRoutes(routes) {
  const res = [];
  routes.forEach((route) => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route);
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route);
      }
    }
  });
  return res;
}

export const loadView = (view) => {
  let res;
  
  for (const path in modules) {
    const dir = path.split("view/")[1].split(".vue")[0];


    
    if (dir === view) {
      res = () => modules[path]();
 
      
    }
  }
  return res;
};

export default usePermissionStore;
